Datasheet Si86Px (Skyworks) - 4

DATA SHEET Si86Px 2. Pin Descriptions 2.1. WB SOIC-16
DNC 1 16 VO DNC 1 16 VO VI 2 15 GNDO VI 2 15 GNDO GNDI 3 14 DNC GNDI 3 14 DNC GNDI 4 13 GND2 GNDI 4 13 GND2 VDD1 5 12 CTRL VDD1 5 12 CTRL GND1 6 11 VDD2 GND1 6 11 Isolation Barrier VDD2 Isolation Barrier HF HF HF HF A1 7 XMTR RCVR 10 B1 A1 7 XMTR RCVR 10 B1 HF HF A2 8 HF HF A2 8 RCVR XMTR 9 B2 XMTR RCVR 9 B2
Figure 6. Si86P320x/420x/520x Figure 7. Si86P321x/421x/521x Table 1. WB SOIC-16 Pin Descriptions Pin Number Pin Name Description
1 DNC Do not connect 2 VI Power supply for integrated power 3 GNDI Integrated power primary side ground 4 GNDI Integrated power primary side ground 5 VDD1 Primary side signal power supply 6 GND1 Primary side signal ground 7 A1 Signal channel 1 on the VDD1 side 8 A2 Signal channel 2 on the VDD1 side 9 B2 Signal channel 2 on the VDD2 side 10 B1 Signal channel 1 on the VDD2 side 11 VDD2 Secondary side signal power supply 12 CTRL Output voltage control input 13 GND2 Secondary side signal ground 14 DNC Do not connect 15 GNDO Integrated power secondary side ground 16 VO Integrated power output Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 207353A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice 4 March 23, 2026 Document Outline Applications Features Safety Regulatory Approvals (Pending) Description 1. Functional Block Diagrams 2. Pin Descriptions 2.1. WB SOIC-16 2.2. WB SOIC-20 3. Functional Description 3.1. Digital Isolation 3.2. Power Isolation 3.2.1. DC-to-AC Conversion 3.2.2. AC-to-AC Conversion 3.2.3. AC-to-DC Conversion 4. Digital Isolator Device Operation 4.1. Logic Operation 4.2. Device Startup 4.3. Undervoltage Lockout 4.4. Thermal Protection 4.5. Fault Tolerance and Protection 4.5.1. Overload/Short Circuit Protection 4.5.2. Time-Out Block 4.5.3. Overvoltage Protection 5. Electrical Specifications 5.1. Si86P5x: 5 V Supply Input and 3.3 to 5 V Continuous Supply Output 5.2. Si86P4x: 3.3 V to 5 V Continuous Supply Input and 3.3 V Supply Output 5.3. Si86P3x: 3.3 V Supply Input and 3.3 V Supply Output 5.4. Supply Input Current Characteristics 5.5. Electrical Characteristics—Digital Isolator 5.5.1. Logic Input and Output Characteristics 5.5.2. Supply Current Characteristics 5.6. Timing Characteristics 5.7. Typical Performance Characteristics 5.8. Thermal Characteristics 5.9. Safety Certifications and Specifications (Pending) 6. Application Information 6.1. Recommended Application Circuits 6.2. Power Supply and Layout Considerations 6.3. Hysteretic Control and Programmable Output Voltage 7. Package and Handling Information 7.1. WB SOIC-16 Top Marking 7.2. WB SOIC-20 Top Marking 7.3. WB SOIC-16 Package 7.4. WB SOIC-20 Package 7.5. WB SOIC-16 Land Pattern 7.6. WB SOIC-16 Tape and Reel Information 7.7. WB SOIC-20 Land Pattern 7.8. WB SOIC-20 Tape and Reel Information 8. Ordering Information 9. Revision History